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High

Payload: Uploaded XML files could execute same-origin JavaScript

  • Disclosed: 07.10.2026
  • Updated: 11.10.2026 10:22

Impact

Under certain local upload configurations, an uploaded XML file and stylesheet could execute JavaScript in the Payload origin when a logged-in user opens the file.

You are affected if:

  • You accept XML uploads (accepted by default).

Patches

Users should upgrade Payload packages to >= 3.90.0 or >= 4.0.0-canary.34.

Workarounds

Disallow XML/XSL uploads.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
npm package payload < 3.90.0, >= 4.0.0-canary.0, < 4.0.0-canary.34 3.90.0, 4.0.0-canary.34

References

CVSS score -
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness (CWE)
CWE-434
Platform
npm
Package
payload
Disclosed
07.10.2026
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-9qpg-3cf8-w33x - CC BY 4.0

Vulnerability history: payload

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (29) in the archive
Total entries
29
First → latest
04.2022 10.2026
Without a fix
1
Exploited in attacks
0

Severity breakdown

  • Critical 5
  • High 13
  • Medium 11

Disclosures per year

Severity:
  1. Payload: Remote Code Execution through first-register
    High · 8.1 CVE-2026-105858 < 3.90.0, >= 4.0.0-canary.0, < 4.0.0-canary.34 3.90.0, 4.0.0-canary.34
  2. Payload external upload trust validation issue
    High CVE-2026-105861 >= 3.0.0, < 3.90.0, >= 4.0.0-canary.0, < 4.0.0-canary.34 3.90.0, 4.0.0-canary.34
  3. Payload: Bypassed sanitization of user uploaded SVGs
    High · 8.7 CVE-2026-105862 < 3.90.0, >= 4.0.0-canary.0, < 4.0.0-canary.34 3.90.0, 4.0.0-canary.34
  4. Payload: Incomplete validation during the upload file lifecycle
    High · 8.1 CVE-2026-105865 < 3.90.0, >= 4.0.0-canary.0, < 4.0.0-canary.34 3.90.0, 4.0.0-canary.34
  5. Payload: Uploaded XML files could execute same-origin JavaScript this entry
    High CVE-2026-105868 < 3.90.0, >= 4.0.0-canary.0, < 4.0.0-canary.34 3.90.0, 4.0.0-canary.34
  6. Payload: Unauthorized update to collection documents
    Critical · 9.8 CVE-2026-105859 < 3.90.0, >= 4.0.0-canary.0, < 4.0.0-canary.34 3.90.0, 4.0.0-canary.34
  7. Payload authentication token field handling issue
    Critical CVE-2026-105863 >= 3.0.0, < 3.90.0, >= 4.0.0-canary.0, < 4.0.0-canary.34 3.90.0, 4.0.0-canary.34
  8. Payload didn't enforce field-level password update restrictions
    High CVE-2026-105855 < 3.90.0, >= 4.0.0-canary.0, < 4.0.0-canary.34 3.90.0, 4.0.0-canary.34
  9. Payload: ReDoS in Multipart Content-Type Validation
    High CVE-2026-105854 >= 3.0.0, < 3.90.0, >= 4.0.0-canary.0, < 4.0.0-canary.34 3.90.0, 4.0.0-canary.34
  10. Payload vulnerable to API key disclosure through ordinary document reads
    High CVE-2026-105849 >= 3.0.0, < 3.90.0, >= 4.0.0-canary.0, < 4.0.0-canary.34 3.90.0, 4.0.0-canary.34
  11. Payload: Token refresh and password reset responses may expose restricted user fields
    High CVE-2026-105853 >= 3.0.0, < 3.90.0, >= 4.0.0-canary.0, < 4.0.0-canary.34 3.90.0, 4.0.0-canary.34
  12. Payload: SQL Injection in SQLite and Postgres
    Critical · 9.8 CVE-2026-105845 >= 3.0.0, < 3.88.0, >= 4.0.0-canary.0, < 4.0.0-canary.27 3.88.0, 4.0.0-canary.27
  13. Payload: Polymorphic join queries could disclose hidden fields
    High CVE-2026-105847 >= 3.0.0, < 3.90.0, >= 4.0.0-canary.0, < 4.0.0-canary.34 3.90.0, 4.0.0-canary.34
  14. Payload has Authenticated SSRF via Upload Functionality
    High · 7.7 CVE-2026-34746 < 3.79.1 3.79.1
  15. Payload has an SQL Injection via Query Handling
    High · 8.5 CVE-2026-34747 < 3.79.1 3.79.1
  16. Payload: Pre-Authentication Account Takeover via Parameter Injection in Password Recovery
    Critical · 9.1 CVE-2026-34751 < 3.79.1 3.79.1
  17. Hidden fields can be leaked on readable collections in Payload
    High · 7.4 CVE-2023-30843 < 1.7.0 1.7.0
  18. Unrestricted Upload of File with Dangerous Type in Payload
    Critical · 9.8 CVE-2022-27952 < 0.15.1 0.15.1

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